Question 1

A DNA sequence of CGCTTACGATTG would be transcribed into an RNA sequence of GCGAAUGCUAAC.

Accepted Answer

A) True 
 B)False

Question 2

A molecule that is a storage form of carbohydrate is

Accepted Answer

A)  glycogen.
B)  glycerol.
C)  DNA.
D)  an amino acid.

Question 3

If you were to isolate a molecule containing uracil, all of the following are most likely true EXCEPT

Accepted Answer

A)  it contains codons that represent amino acids.
B)  it is single stranded.
C)  it also contains guanine.
D)  it contains deoxyribose sugar.

Question 4

The term catabolism refers to

Accepted Answer

A)  chemical reactions that acquire energy.
B)  chemical reactions that release energy.
C)  synthesis of large molecules.
D)  the formation of genetic material.

Question 5

If a cell was unable to produce pyruvate, this cell may have a mutation in an enzyme in which process?

Accepted Answer

A)  Glycolysis
B)  The citric acid cycle
C)  Gluconeogenesis
D)  The electron transport system

Question 6

Releasing the energy in glucose molecules is an example of catabolism.

Accepted Answer

A) True 
 B)False

Question 7

The type of RNA that binds an amino acid is ________ -RNA

Accepted Answer

The answer of The type of RNA that binds an...

Question 8

During the anaerobic reactions of cellular respiration, pyruvic acid reacts to form glucose.

Accepted Answer

A) True 
 B)False

Question 9

The aerobic reactions of cellular respiration occur in the mitochondria.

Accepted Answer

A) True 
 B)False

Question 10

The codon that will signal where to begin making a polypeptide is ________.

Accepted Answer

A)  TAC
B)  AGG
C)  AUG
D)  TTA

Question 11

DNA and RNA differ in number of strands, type of sugar, and types of nitrogenous bases.

Accepted Answer

A) True 
 B)False

Question 12

The term metabolism refers to

Accepted Answer

A)  the reactions in the body that synthesize proteins and nucleic acids.
B)  the reactions in the body that break down proteins and nucleic acids.
C)  all of the chemical reactions in a cell.
D)  the breakdown of glucose molecules to release energy.

Question 13

Which of the following substances increases in abundance during cellular respiration?

Accepted Answer

A)  Oxygen
B)  Glucose
C)  ATP
D)  Glycogen

Question 14

The two strands of a DNA molecule have opposite orientation.

Accepted Answer

A) True 
 B)False

Question 15

A DNA strand of ACTTCGCATG, when replicated, would yield a strand of the same sequence.

Accepted Answer

A) True 
 B)False

Question 16

DNA replication occurs

Accepted Answer

A)  when a cell requires energy.
B)  outside of the nucleus.
C)  during interphase of the cell cycle.
D)  during mitosis.

Question 17

What is the function of ATP molecules in living cells?

Accepted Answer

A)  They form a genetic material.
B)  They capture energy from the oxidation of fuels in their high-energy phosphate bonds, and the energy is used in various cell processes.
C)  They act as coenzymes so that fats can be synthesized.
D)  They are an integral part of the cell membrane, important in transporting water molecules.

Question 18

Transcription and translation differ in that

Accepted Answer

A)  transcription produces DNA and translation produces RNA.
B)  transcription produces RNA and translation produces DNA.
C)  transcription produces protein and translation produces RNA.
D)  transcription produces RNA and translation produces protein.

Question 19

A single nucleotide polymorphism is a very rare genetic variant that affects health.

Accepted Answer

A) True 
 B)False

Question 20

Three factors that increase the rates of enzyme-controlled reactions are the

Accepted Answer

A)  number of enzyme molecules, number of substrate molecules, and efficiency of the enzyme.
B)  temperature of the reaction, number of H₂O molecules, and bond strength.
C)  number of enzyme and substrate molecules formed, and strength of the enzyme.
D)  size of the enzyme compared to the substrate, the number of active sites, and the ratio of enzyme to substrate molecules.

Exam 4: Cellular Metabolism

If you were to isolate a molecule containing uracil, all of the following are most likely true EXCEPT

Correct AnswerverifiedShow Answer

Releasing the energy in glucose molecules is an example of catabolism.

Correct AnswerverifiedShow Answer

The term metabolism refers to

Correct AnswerverifiedShow Answer

Which of the following substances increases in abundance during cellular respiration?

Correct AnswerverifiedShow Answer

A single nucleotide polymorphism is a very rare genetic variant that affects health.

Correct AnswerverifiedShow Answer

What is the function of ATP molecules in living cells?

Correct AnswerverifiedShow Answer

The aerobic reactions of cellular respiration occur in the mitochondria.

Correct AnswerverifiedShow Answer

Three factors that increase the rates of enzyme-controlled reactions are the

Correct AnswerverifiedShow Answer

A molecule that is a storage form of carbohydrate is

Correct AnswerverifiedShow Answer

A DNA strand of ACTTCGCATG, when replicated, would yield a strand of the same sequence.

Correct AnswerverifiedShow Answer

The term catabolism refers to

Correct AnswerverifiedShow Answer

The type of RNA that binds an amino acid is ________ -RNA

Correct AnswerverifiedShow Answer

During the anaerobic reactions of cellular respiration, pyruvic acid reacts to form glucose.

Correct AnswerverifiedShow Answer

A DNA sequence of CGCTTACGATTG would be transcribed into an RNA sequence of GCGAAUGCUAAC.

Correct AnswerverifiedShow Answer

If a cell was unable to produce pyruvate, this cell may have a mutation in an enzyme in which process?

Correct AnswerverifiedShow Answer

DNA and RNA differ in number of strands, type of sugar, and types of nitrogenous bases.

Correct AnswerverifiedShow Answer

The two strands of a DNA molecule have opposite orientation.

Correct AnswerverifiedShow Answer

Transcription and translation differ in that

Correct AnswerverifiedShow Answer

The codon that will signal where to begin making a polypeptide is ________.

Correct AnswerverifiedShow Answer

DNA replication occurs

Correct AnswerverifiedShow Answer

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